Boss Audio Systems BV7970, Руководство пользователя

Страница: 20 / 50

13. AUDIO OPERATION
Short
Press “AUDIO“ button to access the Audio Menu. User can navigate thru the Audio Menu items
by pressing the / “AUDIO” button repeatedly, or by pressing the Tuning Up or Tuning Down Button. Once
the desired menu item appears on the display, adjust that option by using the encoder vloume knob
within 5 seconds. The following menu items can be adjusted as described above. The unit will
automatically exit the Audio Menu after five seconds of inactivity.
Audio Menu
Sub-woofer (Level)
User has 5 seconds to use the encoder volume knob to adjust the Sub-woofer lever from '00' to '12'.
The Sub-woofer level control is only applicable if the unit is equipped with the optional sub-
woofer line out, and only if the unit is connected to an optional sub-woofer speaker.
The Sub-woofer level control option will only appear in the Audio Menu if the “Sub-woofer”
function is activated “ON” by pressing the “Sub-w” button on control panel.
Sub-woofer Low Pass Filter (LPF)
User has 5 seconds to use the encoder volume knob to select the 4 different Low Pass filter Flat,
80Hz, 120Hz or 160Hz.
The Sub-woofer LPF control is only applicable if the unit is equipped with the optional sub-
woofer line out, and only if the unit is connected to an optional sub-woofer speaker.
The Sub-woofer LPF option will only appear in the Audio Menu if the “Sub-woofer” function is
activated by pressing the “Sub-w” button on control panel.
X-BASS
User has 5 seconds to use the encoder volume knob to select the 3 different Bass Boost level:
Low, Mid, or High.
BASS LEVEL(Level)
User has 5 seconds to use the encoder volume knob to adjust the desired Bass level range
from -6 to +6.
BASS -CFQ (C.Frq).
User has 5 seconds to use the encoder volume knob to adjust the desired Bass Center
Frequency to 60Hz, 80Hz, 100Hz, or 200Hz.
19
BASS-Q: (BassQ)
User has 5 seconds to use the encoder vlolume knob to adjust the desired Bass Quality Factor
to 2N, 1N, 1W or 2W.
Figure 1 shows the Bass Quality factor (Curve characteristics) of each step.
Level
(dB)
Frequency (Hz)
15.0
12.5
10.0
7.5
2.5
0.0
5.0
10.0 100.0 1.0K 10.0K
2W
1W
1N
2N
Figure 1
SUBWOOFER
BASS